Chapter 3 Flashcards

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1
Q

What is a MRI Scan?

A

Magnetic Resonance Imaging

Computerized enhancement to map out brains structure

Magnetic fields, and radio waves

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2
Q

What is a EEG Scan?

A

Electroencephalogram

Observes changes over seconds

Electrical signals from brain

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3
Q

What is a CT Scan?

A

Computerized Technology

Enhanced x-ray of brain structure, by putting multiple x-rays together

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4
Q

What lesioning?

A

Destroying a piece of the brain to see what it’s function was

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5
Q

What is the function of Wernicke’s Area?

A

Understand spoken language

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6
Q

What is the function of Broca’s Area?

A

Speech

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7
Q

What is the function of occipital lobe?

A

Vision

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8
Q

What is the function of the temporal lobe?

A

Hearing

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9
Q

What is the function of the olfactory?

A

Smell

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10
Q

What is the function of the parietal lobe?

A

Touch

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11
Q

What is the function of frontal lobe?

A

Taste

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12
Q

What lobes are responsible for short-term memories?

A

Parietal, upper temporal, and occipital lobes

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13
Q

What is the function of the limbic system?

A

“me eat, me sex”

Regulation of emotions, memory and motivation

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14
Q

What is the function of the hypothalamus?

A

Controls and regulates:

Body temp, sexual arrousal, hunger, thirst and endocrine system

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15
Q

What is the function of the lateral hypothalamus?

A

(Brings on hunger)

Stimulate: eat

Destroy: no interest in food

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16
Q

What is the function of the ventromedial hypothalamus?

A

(Depresses Hunger)

Stimulate: stop eating

Destroy: continuously wants to eat

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17
Q

What does satiated mean?

A

You’re full

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18
Q

What is the function of the hippocampus?

A

You would remember if you saw a “hippo” on “campus”

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19
Q

What is the function of the amygdala?

A

How you process memory

Involved with fear and aggression

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20
Q

What is the function of the thalamus?

A

Involved with consciousness, sleep, and Suntory interpretation – not smell (olfactory)

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21
Q

What is the function of the medulla?

A

Controls blood pressure, heart rate, and breathing

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22
Q

What is the function of the pons?

A

Involved with facial expressions

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23
Q

What is the function of reticular formation (midbrain)?

A

Arousal, attention, cardiac reflexes, motor functions, regulates awareness, and sleep

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24
Q

What does Gustation mean?

A

Taste

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25
Q

What are fissures?

A

The wrinkles of the brain

26
Q

What is the function of the cerebellum?

A

Controls coordination

27
Q

What is the function of the corpus callosum?

A

Connects the two hemispheres of the brain

28
Q

What does the central nervous system consist of?

A

Brain and spinal cord

It controls behavior

29
Q

What is the somatic nervous system made up of?

A

Nerves that connect to voluntary skeletal muscles and sensory receptors

30
Q

What is the function of afferent nerve fibers?

A

Carries information inward to the central nervous system from the periphery of the body

31
Q

What is the function of efferent nerve fibers?

A

Carries information outward to periphery of body

32
Q

What is the autonomic nervous system made up of?

A

Nerves that connect to the heart, blood vessels, smooth muscles and glands

Controls involuntary functions

33
Q

What is the function of the sympathetic division?

A

Mobilizes body’s resources for emergencies

Fight or flight response

34
Q

What is the function of the parasympathetic division?

A

Conserves bodily resources

Activates the body to save and store energy

35
Q

What is the function of the endocrine system?

A

Consists of glands that secrete chemicals into the blood stream to regulate bodily functions

36
Q

What is the master gland of the endocrine system?

A

Pituitary gland

37
Q

What is the function of hormones?

A

Slower reaction time but it is a chemical substance released by endocrine glands

38
Q

What does the left hemisphere of the brain mostly deal with?

A

Language, speech, reading and writing

39
Q

What does the right hemisphere of the brain mostly deal with?

A

Nonverbal processing and musical tasks

40
Q

What is an agonist?

A

A chemical that mimics the action of a neurotransmitter

41
Q

What is an anti-agonist?

A

A chemical that opposes the action of a neurotransmitter

Curare darts-stops neural firing

42
Q

What is the GABA?

A

Always inhibitory

Regulation of anxiety, and sleep

43
Q

What is a glutamate?

A

Always has excitatory effects

Learning and memory

44
Q

What are endorphins?

A

Internally produced chemicals that resemble opiates, in structure and effect

45
Q

What are reuptake inhibitors?

A

They block reuptake

46
Q

What is a PET Scan?

A

Positron Emission Tomography

Examines brain function and activity

Measures chemicals

47
Q

What the function of glia?

A

Supports the neurons

“Glue”

48
Q

What the function of dendrites?

A

Receives information

49
Q

What the function of the soma (cell body)?

A

Contains a nucleus and much of the chemical machinery common most cells

50
Q

What the function of myelin sheath?

A

Protects the axon

If damaged it causes multiple scoliosis

51
Q

What the function of the terminal buttons?

A

Small knobs that secrete chemicals called neurotransmitters

52
Q

What the function of synapse?

A

Where information is transmitted from one terminal button to a dendrite

53
Q

What is action potential?

A

The brief shipped in a neurons electrical charge that travels on the axon

54
Q

What is the resting potential of a neuron?

A

inactive- stable and negative charge

55
Q

What is the absolute refractory period?

A

Minimum length of time after an action potential during which another action potential cannot begin

56
Q

What is the relation to behavior of dopamine and what disorder comes with it?

A

Control of voluntary movement and alertness

Parkinson’s(low) and schizophrenia(high)

57
Q

What is the relation to behavior of norepinephrine and the disorders that may come with it?

A

It is the modulation of food and arousal

Depressive disorders

58
Q

How does serotonin relate to behavior and what disorders come with it?

A

It’s the regulation of sleep, wakefulness and aggression

OCD, eating disorders, depression

59
Q

How does acetylcholine related to behavior and what disorders come with it?

A

It relates with attention, arousal, memory, and motor movement

Alzheimer’s(lack)&&paralysis(high)

60
Q

How does GABA relate to the behavior and what disorders come with it?

A

Regulation of anxiety sleep and arousal

Anxiety disorders